Laboratorio 15 y 16

analogRead.ino

byte pin_list[] = {9,10,11,12};
byte input_pin = 5;

unsigned counter = 0;
long int last_time = 0;

void setup(){
  for (int i=0; i < sizeof(pin_list); i++)
    pinMode(pin_list[i], OUTPUT);
  digitalWrite(input_pin, HIGH);
  last_time = millis();
  Serial.begin(9600);
}

void paso(int n){
  for (int i=0; i<4; i++)
    digitalWrite(pin_list[i], (i == n)?LOW:HIGH);
}

void loop(){
  int val = analogRead(input_pin);
  long unsigned time = millis();
  if(val!=512 & last_time + 5E4/abs(val - 512) < time){
    last_time = time;
    paso((val > 512?counter++:counter--)%sizeof(pin_list));
    Serial.println(val);
  }
}

deco.ino

byte pin_list[] = {9,10,11,12};

int input_pin = 8;
unsigned counter = 0;
volatile boolean creciente = true;
long int last_time = 0;

void setup(){
  for (int i=0; i < sizeof(pin_list); i++)
    pinMode(pin_list[i], OUTPUT);
  digitalWrite(input_pin, HIGH);
  pinMode(2, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(2), button_press, FALLING);
  
  pinMode(13, OUTPUT);
  digitalWrite(13, LOW);
}

void button_press(){
  creciente = !creciente;
  digitalWrite(13, creciente);
}

void paso(int n){
  for (int i=0; i<4; i++)
    digitalWrite(pin_list[i], (i == n)?LOW:HIGH);
}

void loop(){
  paso((creciente?counter++:counter--)%sizeof(pin_list));
  delay(200);
}